Healthcare provider profile · identity verified

Anthony J. Arroyo, MD

Internal Medicine · WALNUT CREEK, CA · NPI 1376621458

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium908302
Amlodipine BesylateAmlodipine Besylate444162
LisinoprilLisinopril343126
Levothyroxine SodiumLevothyroxine Sodium24883
Fluticasone PropionateFluticasone Propionate21487
Albuterol Sulfate HfaAlbuterol Sulfate19796
HydrochlorothiazideHydrochlorothiazide19369
AtenololAtenolol17261
Losartan PotassiumLosartan Potassium17268
SimvastatinSimvastatin14245
Tamsulosin HclTamsulosin Hcl13457
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12942
Metformin HclMetformin Hcl12145
OmeprazoleOmeprazole12150
FurosemideFurosemide11243
Terazosin HclTerazosin Hcl11037
AlvescoCiclesonide10949
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10931
GabapentinGabapentin10341
Metoprolol TartrateMetoprolol Tartrate10335
Alendronate SodiumAlendronate Sodium10038
GlipizideGlipizide9732
Trazodone HclTrazodone Hcl9727
FamotidineFamotidine9439
Triamcinolone AcetonideTriamcinolone Acetonide9159
Potassium ChloridePotassium Chloride7531
AllopurinolAllopurinol7429
Sertraline HclSertraline Hcl7230
Pantoprazole SodiumPantoprazole Sodium7024
OzempicSemaglutide6813
JardianceEmpagliflozin6727
Metoprolol SuccinateMetoprolol Succinate6427
FinasterideFinasteride5820
LovastatinLovastatin5821
MeloxicamMeloxicam5741
PradaxaDabigatran Etexilate Mesylate5620
Azelastine HclAzelastine Hcl5421
AmoxicillinAmoxicillin5346
Rosuvastatin CalciumRosuvastatin Calcium5317
Fluoxetine HclFluoxetine Hcl5216
Metformin Hcl ErMetformin Hcl4821
CarvedilolCarvedilol4715
IbuprofenIbuprofen4514
LorazepamLorazepam4412
AcyclovirAcyclovir4119
FluorouracilFluorouracil4138
TemazepamTemazepam41suppressed
Tizanidine HclTizanidine Hcl4117
Ipratropium BromideIpratropium Bromide4017
Wixela InhubFluticasone Propion/Salmeterol4019
Humulin NInsulin Nph Human Isophane3913
LactuloseLactulose39suppressed
ColchicineColchicine3816
Tramadol HclTramadol Hcl38suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn3413
ShingrixVaricella-Zoster Ge/As01b/Pf3225
Spiriva RespimatTiotropium Bromide3112
Zolpidem TartrateZolpidem Tartrate30suppressed
NaproxenNaproxen2914
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml2913
Citalopram HbrCitalopram Hydrobromide27suppressed
FluocinonideFluocinonide2720
HydrocortisoneHydrocortisone2721
PrednisonePrednisone2721
Humalog Kwikpen U-100Insulin Lispro26suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen26suppressed
SpironolactoneSpironolactone26suppressed
ArexvyRsvpref3 Antigen/As01e/Pf2525
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
Humulin RInsulin Regular, Human25suppressed
CefadroxilCefadroxil2322
NystatinNystatin23suppressed
Hydralazine HclHydralazine Hcl22suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic22suppressed
XifaxanRifaximin22suppressed
BreynaBudesonide/Formoterol Fumarate21suppressed
Clindamycin PhosphateClindamycin Phosphate20suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
Bisoprolol FumarateBisoprolol Fumarate19suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1818
BaclofenBaclofen18suppressed
Bupropion XlBupropion Hcl18suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
Montelukast SodiumMontelukast Sodium18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1717
DigoxinDigoxin17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
AzithromycinAzithromycin1514
ClonazepamClonazepam15suppressed
PaxlovidNirmatrelvir/Ritonavir1515
Propranolol HclPropranolol Hcl15suppressed
Duloxetine HclDuloxetine Hcl14suppressed
Trospium ChlorideTrospium Chloride14suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
ClopidogrelClopidogrel Bisulfate13suppressed
EzetimibeEzetimibe13suppressed
Oxycodone HclOxycodone Hcl13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark13suppressed
XareltoRivaroxaban13suppressed
FentanylFentanyl12suppressed
Hydromorphone HclHydromorphone Hcl12suppressed
Nifedipine ErNifedipine12suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl12suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error